import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class IODemo7 {
    public static void main(String[] args) throws IOException {
       try(OutputStream outputStream = new FileOutputStream("d:/test.txt")){
           outputStream.write(97);
           outputStream.write(98);
           outputStream.write(99);
           outputStream.write(100);
       }
    }
}
